Climate averages 1991–2020
Sankt Gallen weather
in July.
A mild, wet month: the warmest and the 11th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
July is a mild month in Sankt Gallen: daytime highs average 21.3°C and nights cool to about 12.6°C. By daytime temperature it is the warmest month of the year.
Expect about 174 mm of rain on roughly 18 days, which makes July a wet month (the 11th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 15 h 33 min on an average July day.
The nearest other city in this atlas is Konstanz (30 km away). In July its highs average 23.4°C, 2.1°C warmer than Sankt Gallen, with 131 mm of rain.
Among the 8 cities listed in Switzerland, Sankt Gallen ranks 8th of 8 for the warmest July highs and 7th of 8 for the driest July (rainfall, lowest first). The mean July high of those 8 cities is 23.0°C; Sankt Gallen is 1.7°C cooler than that mean.
From July to August, average highs fall by 0.1°C to 21.2°C, and monthly rainfall rises from 174 mm to 175 mm.
The annual picture
July in context
Monthly rainfall
Average total · mmAverages from hourly ERA5 reanalysis data. Actual weather varies from year to year. How these numbers are calculated
Every month, side by side
Sankt Gallen climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 2.8°C-4.8°C | -4.8°C | 88 | 12.7 | 8.99 h |
| February | 3.9°C-4.7°C | -4.7°C | 80 | 11.8 | 10.210 h |
| March | 7.8°C-1.4°C | -1.4°C | 100 | 14.8 | 11.912 h |
| April | 12.0°C2.1°C | 2.1°C | 102 | 14.5 | 13.614 h |
| May | 16.1°C7.0°C | 7.0°C | 155 | 17.2 | 15.115 h |
| June | 19.4°C10.7°C | 10.7°C | 172 | 17.4 | 15.916 h |
| July, selected | 21.3°C12.6°C | 12.6°C | 174 | 17.5 | 15.516 h |
| August | 21.2°C12.7°C | 12.7°C | 175 | 16.8 | 14.314 h |
| September | 17.2°C9.2°C | 9.2°C | 127 | 13.7 | 12.613 h |
| October | 13.4°C5.6°C | 5.6°C | 103 | 12.9 | 10.911 h |
| November | 7.5°C0.4°C | 0.4°C | 103 | 12.7 | 9.49 h |
| December | 3.4°C-3.5°C | -3.5°C | 105 | 14.1 | 8.59 h |
Rainfall is the average of the 30 separate monthly totals. A rain day is a local calendar day with at least 1 mm of precipitation. Daylight is the calculated sunrise-to-sunset length, not measured sunshine.
Compare places
July in nearby cities
- Konstanz in JulyGermany · 30 kmHigh 23.4°C · Low 16.8°C · 131 mm rain
- Vaduz in JulyLiechtenstein · 33 kmHigh 23.1°C · Low 13.8°C · 210 mm rain
- Winterthur in JulySwitzerland · 50 kmHigh 23.1°C · Low 14.4°C · 106 mm rain
- Zürich in JulySwitzerland · 62 kmHigh 23.3°C · Low 14.6°C · 146 mm rain
- Luzern in JulySwitzerland · 91 kmHigh 23.1°C · Low 14.5°C · 212 mm rain
- Villingen-Schwenningen in JulyGermany · 97 kmHigh 21.2°C · Low 12.6°C · 138 mm rain
- Ulm in JulyGermany · 118 kmHigh 22.9°C · Low 13.9°C · 99 mm rain
- Reutlingen in JulyGermany · 119 kmHigh 23.4°C · Low 14.1°C · 85 mm rain
Read the numbers correctly
Climate, not a promise.
These patterns help compare months. They cannot tell you the weather on a specific day of your trip.
Sources, method and limitsHow these numbers are made (what the highs, lows and rain days mean, the sources and the model cell used for Sankt Gallen) is explained once on the Sankt Gallen year overview and on the Sources, method and limits page.